Multithreading allows multiple threads to exist within the context of a single process sharing same resources but are able to execute independently.

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Putting each animation on a thread

I'm trying to make my game as friendly to multi-core as possible. as such, i'm putting each animation on a new thread. I was hoping someone could check out my proof of concept code in java; an ...
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2answers
284 views

Instantiation of a GameObject not working for a threading reason

I receive the following error "INTERNAL_CALL_Internal_InstantiateSingle can only be called from the main thread." "Constructors and field initializers will be executed from the loading ...
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1answer
482 views

Synchronizing input, update and rendering threads

How do you synchronise the input-handling, state-updating and rendering threads? If a sprite position is modified due to input, the wrong position of the sprite might be drawn to the screen if the ...
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2answers
2k views

How can I control the frame update rate of a thread?

I'm building a small game for a college project. It's quite a simple game. There are a number of dots on the screen and the player has to select them in a specific order. It's kind of a "join the dots"...
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2answers
572 views

Multiple pipelined game loops

I am considering using the following game engine design pattern, but I am unsure if it's a good idea or not: Each major task (drawing, physics, logic, networking, disk I/O) will have its own ...
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3answers
353 views

Multithreading for a mixed-genre game in Python?

So here's the situation. I'm making a game that mixes two genres; arcade shooter and puzzler. They don't intertwine TOO much; all the interaction that really goes on is that every time an enemy is ...
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1answer
174 views

Efficiency concerning thread granularity

Lately, I've been thinking of ways to use multithreading to improve the speed of different parts of a game engine. What confuses me is the appropriate granularity of threads, especially when dealing ...
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3answers
92 views

c - Starting an user defined function after the current one ends

The game I am creating displays a menu before starting, the user may select to start the game, or do some stuff. When the user selects an option, I need to call another function which actually does ...
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3answers
1k views

How do I write a game server with single-threaded networking?

I want to write a game server with one thread for clients message handling and use something like epoll to accept network messages. All I/O and database access will be processed in a thread pool and ...
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1answer
12k views

Java 2D Tile Map and Moving Sprites with threads

I'm having difficulties understanding how to use threads and I'm not sure if my basic structure is right. This is my Board Class: package mortifera; import java.awt.Color; import java.awt.Graphics; ...
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2answers
887 views

Decoupling rendering pipeline (for UI responsiveness): Multithreading and multiple contexts?

Warning! Wall of text (see <TL;DR> paragraphs below for short version) I have been noticing something in quite many games (most recently in cutting-edge RTS games such as Uber Entertainment's ...
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1answer
616 views

How can I read texel data on a separate thread in D3D11?

In D3D10, I load a staging texture onto my GPU memory, then map it in order to access its texel data on the CPU. This is done on a separate thread, not the thread I render with. I just call the device ...
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1answer
669 views

How should I invoke a physics engine?

I'm new to writing games. I'm planning to write a 2D battle game which may require an physics engine. Suppose I've written one, but how can I combine it with the main routine of my game? Should I ...
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5answers
2k views

multi-thread in mmorpg server

For MMORPG, there is a tick function to update every object's state in a map. The function was triggered by a timer in fixed interval. So each map's update can be dispatch to different thread. At ...
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2answers
1k views

Multi-threaded JOGL Problem

I'm writing a simple OpenGL application in Java that implements the Monte Carlo method for estimating the value of PI. The method is pretty easy. Simply, you draw a circle inside a unit square and ...
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1answer
196 views

Thread.SetProcessorAffinity() equivalent for Windows?

I want to be able to use multiple cores in my XNA game, but it seems that Thread.SetProcessorAffinity() is only usable on xbox. That being said, is there any way to run a small chunk of my code on ...
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1answer
101 views

Unity3D: Making heavy calculation on separate thread [duplicate]

So, I've created a program with Kinect as its input. As you know, Kinect will send the data 30 frame per second. I have a model that will mimic Kinect's input motion, so on Update() I read the ...
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4answers
196 views

OpenGL calls from a different thread?

I understand OpenGL is not thread-safe, but at the same time, Google seems to be giving me mixed responses. I have a LibGDX game that functions normally, UI/rendering/logic on the same thread, ...
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1answer
255 views

Multithreading issues - Frame skips [closed]

So I am trying to multithread a Voxel engine in C# made with Sharpdx and I am having a few issues: This is the class I have : #region using System.Collections.Concurrent; using System.Collections....
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1answer
2k views

Code structure in Android 2D game

Well I've finnaly decided to start Android game dev, and my first project will be simple 2d canvas based game. I have some experience in game developing with C# and XNA, and I'm a bit confused now. ...
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1answer
887 views

Updating scene graph in multithreaded game

In a game with a render thread and a game logic thread the game logic thread needs to update the scene graph used by the render thread. I've read about ideas such as a queue of updates. Can someone ...
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1answer
1k views

Tetris style game in java (for now) will I need to use threads?

I'm looking at developing a puzzle game, it might be like tetris or something similar, perhaps more like bejewelled in that the player will select objects with the mouse to manipulate them. I've ...
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1answer
55 views

computationally Intensive routine, ThreadPool or new Thread?

I had to write a computationally expensive routine that runs in 20-30ms. This routine cannot run in the main thread since it would kill the frame rate. The routine runs on demand, when some data ...
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1answer
50 views

Multithreading in Gamedevelopment, specifically Networking

Let me quick explain my actual setup: I use 2 Threads, one for networking and one for the main-loop (input, update, render). I have two synchronized queues, one for mainthread->networking and one for ...
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1answer
172 views

Synchronization with game tick

I'm working on a multiplayer game and it's currently set up like this. It accepts packets from the client on the fly and does whatever processing it needs to. There is also a main game tick which is ...
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1answer
316 views

Swing for game development - regarding threads

For those of you who use Swing to develop their real-time Java games. (Meanign a game that constantly updates game state and redraws the screen using a constant loop). As I see it, there are three ...
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1answer
479 views

Implementations of task-based parallelism in game engines_

I'm looking for implementations of this because I'm having an especially hard time understanding how data is usually handled. As I understand it, simply using critical sections and locking code ...
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1answer
447 views

GLES2.0 3D Android game performance and multi threading the update?

I have profiled my mixed Java\C++ Android game and I got the following result: As you can see, the pink think is a C++ functions that updates the game. It does things like updating the logic but it ...
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2answers
122 views

Threading iPhone

Say I have a group of large meshes that I have to intersect rays against. Assume also, for whatever reason, I cannot further simplify/reduce poly check count by spatial subdivisioning. I can do this ...
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2answers
922 views

Cocos 2D putting things on the cocos thread or not?

We are using Cocos 2D for Android and are unsure if it's a good thing to execute our non-ui tasks on the Cocos thread as a way to get the animations in our game to pause. What is the recommended ...
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0answers
203 views

What LuaJit threading archietecture should I use?

I am in the process of designing my own Game Engine for use in a real time CRPG - think Baulder's Gate. I know most of my specifications right now, and I am currently in a planning phase. I chose Lua ...
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1answer
80 views

Texture Editing with Multi-Threading

So I have this giant Texture2D (4096 * 4096, don't ask why) and all its data stored in an array of Colors. When I hit left MouseButton I create a blue 64 by 64 square at the cursor's position using ...
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2answers
213 views

Application of classes with critical non-static fields in LWJGL [closed]

I'm going to be as specific about this question as I can. Ultimately, how is it that I apply a class that uses non-static fields in LWJGL? More specifically, I know that OpenGL is quite nearly more a ...
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2answers
149 views

StringBuffer behavior in LWJGL

Okay, I've been programming in Java for about ten years, but am entirely new to LWJGL. I have a specific problem whilst attempting to create a text console. I have built a class meant to abstract ...
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0answers
83 views

Multi Threading - How to split the tasks [duplicate]

if I have a game engine with the basic 'game engine' components, what is the best way to 'split' the tasks with a multi-threaded approach? Assuming I have the standard components of: Rendering ...
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0answers
413 views

Expensive operations and threading in XNA games [closed]

There's this post, it's highest voted answer got me curious about the many ways of threading games. My game has input update, game logic update, user interface update and expensive operations methods....
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0answers
550 views

How do I properly use multithreading with Nvidia PhysX?

I'm having a multithreading problem with Nvidia PhysX. the SDK requires that you call Simulate() (starts computing new physics positions within a new thread) and FetchResults() (waits 'till the ...
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3answers
395 views

Threads slowing down application and not working properly

I'm making a software renderer which does per-polygon rasterization using a floating point digital differential analyzer algorithm. My idea was to create two threads for rasterization and have them ...
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1answer
845 views

Separate update and render

I'm programming a simple Snake in Java. I'm a complete newbie when it comes to Java and Game Developing, so please bear with me ;) Until now, I have been using a UI thread, as well as a update-thread....
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1answer
148 views

Is it safe to set Lua Table data from multiple C++ threads?

As the title states. I'm curious if it's safe to set data in different Lua tables that exist in the same lua state. From multiple C++ threads. I'm asking this because my current system actually has a ...
0
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1answer
153 views

XNA Starting a parallel Thread during a draw loop is slower than doing the same task in the main thread in update loop

I'm using XNA and all of my drawing is done in the main thread. I am CPU-bound and I thought I could gain performance by moving some non-update logic (like animation update) from the update loop into ...
0
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3answers
537 views

How can I access LWJGL's Keyboard from a thread other than the graphics thread?

I'm loving LWJGL, but have been running into a number of odd problems with it. Most of it seems to deal with the fact that OpenGL is a state-machine and was only ever meant to be accessed from a ...
0
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1answer
61 views

How to handle runtime exceptions that occur on a loading process delegated to newly spawned thread

I am looking to multi-thread the resource allocation routines (i.e world loading) in my game so that they can occur in the background whilst rendering a loading screen etc... The problem is, I used to ...
0
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1answer
148 views

Receiving server data inside game loop

I'm planning on how my multiplayer game client game loop should work. While I'm convinced that server should be moved from game loop into it's own thread, I'm not sure what should I do about receiving ...
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1answer
158 views

Can threads be used to run resource consuming methods without -ever- freezing UI?

Until recently I was sure that running expensive operations in threads can prevent UI freezing, but now I'm not. Is it not guaranteed that a threaded operation will not hog the main thread's ...
0
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1answer
187 views

Task vs Thread with execution queue [closed]

My game server will have to respond to requests very often, so I consider threading a good option. But should I use Task class from .NET or have several threads that would execute requests which I ...
0
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1answer
328 views

DX11 Reusing Command Lists

My team is working on an engine implementation and we are trying to add multithreaded scene traversal for updating and rendering our components... The question has come up as to whether or not we can ...
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1answer
464 views

Nullpointerexception when loading resources in openGL ES 2.0 Android project

Overview My splash screen starts by display a 'loading' dialogue and then kicks off an asyncTask (The loading dialogue is derived from the standard Android View class) Within the doInBackground ...
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1answer
1k views

Communication between Box2D and libGDX Stage (Scene2D) running in separate threads

I'm making a physics based 2D game using libGDX and Box2D. I want to move the execution of the simulation out of render thread. I use immutable messages and the BlockingQueue to pass the information ...
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2answers
1k views

WinAPI SwapBuffers and Threads

I'm trying to use a different Thread for the whole WinAPI-Message-Loop stuff, so the window always keeps being responsive. Of course I'm using the main thread as the "window thread", because I need a ...